<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body,
      p {
        margin: 0;
        padding: 0;
      }
      body {
        color: #333;
        font: 12px/1.5 Tahoma;
        padding-top: 10px;
      }
      #outer {
        width: 300px;
        margin: 0 auto;
      }
      p {
        margin-bottom: 10px;
      }
      button {
        margin-right: 5px;
      }
      label {
        width: 5em;
        display: inline-block;
        text-align: right;
      }
      input {
        padding: 3px;
        font-family: inherit;
        border: 1px solid #ccc;
      }
      #div1 {
        color: #fff;
        width: 180px;
        height: 180px;
        background: #000;
        margin: 0 auto;
        padding: 10px;
      }
    </style>
  </head>
  <body>
    <div id="outer">
        <p><label>属性名：</label><input type="text" value="background" /></p>
        <p><label>属性值：</label><input type="text" value="blue" /></p>
        <p><label></label><button>确定</button><button>重置</button></p>
    </div>
    <div id="div1">在上方输入框输入"属性名"及"属性值"，点击确定按钮查看效果。</div>
  </body>
</html>
<script>
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}
window.onload = function ()
{	
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	var oInput = document.getElementsByTagName("input");
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}
</script>
